ORGANIC SUBSTANCES AS PLANT FOOD 



239 



which glues down small insects. This entangling process is fol- 

 lowed by a certain bending of the leaves and tentacles, and in the 



Fig. 94. — To the right, a branch of mistletoe with leaves and fruits. To the left, 



below, a mistletoe bush which has sent its roots under the bark of the host plant. 



To the left, above, seeds of mistletoe germinating on bark of host. 



end the insect is securely entrapped. In the American plant, 

 Venus's flytrap (Dionaea), the leaf is a quickly closing trap (Fig. 

 95). In Nepenthes, insects drown in the liquid filling the lower part 





Fig. 95. — Venus flytrap showing traps open and closed (after Brown) . 



of a special urn, which is suspended from the end of the leaf 

 blade (Fig. 96). Whatever the method of entrapping, it is 



